{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:40.497674", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2019-Oct-24_to_2019-Oct-30_131.0_-12.5"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2019100000799}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "October 24 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 30 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 72550.98062575418}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Australia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Australia"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": ["Timor Sea"]}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": -12.5}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 131.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "131.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 126.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 131.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -13.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -10.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.0, -10.25], [130.53, -10.47], [130.75, -11.0], [130.53, -11.53], [130.0, -11.75], [129.47, -11.53], [129.25, -11.0], [129.47, -10.47], [130.0, -10.25]]]]}, "2019-10-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.47, -13.53], [129.25, -13.0], [129.47, -12.47], [130.0, -12.25], [130.53, -12.47], [130.75, -13.0], [130.53, -13.53], [130.0, -13.75], [129.47, -13.53]]], [[[129.47, -11.53], [129.25, -11.0], [129.47, -10.47], [130.0, -10.25], [130.53, -10.47], [130.75, -11.0], [130.53, -11.53], [130.0, -11.75], [129.47, -11.53]]]]}, "2019-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.35, -12.25], [129.25, -12.0], [129.35, -11.75], [129.25, -11.5], [129.35, -11.25], [129.25, -11.0], [129.47, -10.47], [130.0, -10.25], [130.53, -10.47], [130.75, -11.0], [130.65, -11.25], [130.68, -11.32], [130.75, -11.35], [131.0, -11.25], [131.53, -11.47], [131.75, -12.0], [131.65, -12.25], [131.75, -12.5], [131.53, -13.03], [131.0, -13.25], [130.75, -13.15], [130.68, -13.18], [130.53, -13.53], [130.0, -13.75], [129.47, -13.53], [129.25, -13.0], [129.35, -12.75], [129.25, -12.5], [129.35, -12.25]]]]}, "2019-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.75, -11.5], [125.97, -10.97], [126.5, -10.75], [126.75, -10.85], [127.0, -10.75], [127.25, -10.85], [127.5, -10.75], [127.75, -10.85], [128.0, -10.75], [128.25, -10.85], [128.5, -10.75], [129.03, -10.97], [129.18, -11.32], [129.3, -11.37], [129.35, -11.25], [129.25, -11.0], [129.47, -10.47], [130.0, -10.25], [130.53, -10.47], [130.75, -11.0], [130.65, -11.25], [130.68, -11.32], [130.75, -11.35], [131.0, -11.25], [131.53, -11.47], [131.75, -12.0], [131.65, -12.25], [131.75, -12.5], [131.53, -13.03], [131.0, -13.25], [130.75, -13.15], [130.68, -13.18], [130.53, -13.53], [130.0, -13.75], [129.47, -13.53], [129.32, -13.18], [129.25, -13.15], [129.0, -13.25], [128.75, -13.15], [128.5, -13.25], [128.25, -13.15], [128.0, -13.25], [127.75, -13.15], [127.5, -13.25], [126.97, -13.03], [126.82, -12.68], [126.47, -12.53], [126.32, -12.18], [125.97, -12.03], [125.75, -11.5]]]]}, "2019-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.75, -11.5], [125.97, -10.97], [126.5, -10.75], [126.75, -10.85], [127.0, -10.75], [127.25, -10.85], [127.5, -10.75], [127.75, -10.85], [128.0, -10.75], [128.25, -10.85], [128.5, -10.75], [129.03, -10.97], [129.18, -11.32], [129.3, -11.37], [129.47, -10.97], [130.0, -10.75], [130.53, -10.97], [130.68, -11.32], [130.75, -11.35], [131.0, -11.25], [131.53, -11.47], [131.75, -12.0], [131.65, -12.25], [131.75, -12.5], [131.53, -13.03], [131.0, -13.25], [130.75, -13.15], [130.68, -13.18], [130.53, -13.53], [130.0, -13.75], [129.47, -13.53], [129.32, -13.18], [129.25, -13.15], [129.0, -13.25], [128.75, -13.15], [128.5, -13.25], [128.25, -13.15], [128.0, -13.25], [127.75, -13.15], [127.5, -13.25], [126.97, -13.03], [126.82, -12.68], [126.47, -12.53], [126.32, -12.18], [125.97, -12.03], [125.75, -11.5]]]]}, "2019-10-29T11:30:00.000000000": {"type": 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